---
product_id: 64648192
title: "243 Blue 50ml | Medium-strength Threadlocker (M6-M20) | Prevention of loosening | Secure bonding for machinery, engine & vehicles | Thixotropic | High temperature performance | Oil tolerance"
brand: "loctite"
price: "$30.45"
currency: USD
in_stock: true
category: "Loctite"
url: https://www.desertcart.ec/products/64648192-243-blue-50ml-medium-strength-threadlocker-m6-m20-prevention-loosening
store_origin: EC
region: Ecuador
---

# High temperature resistance Removable with hand tools Sets in 10 minutes 243 Blue 50ml | Medium-strength Threadlocker (M6-M20) | Prevention of loosening | Secure bonding for machinery, engine & vehicles | Thixotropic | High temperature performance | Oil tolerance

**Brand:** loctite
**Price:** $30.45
**Availability:** ✅ In Stock

## Summary

> 🔩 Lock it down, but keep it flexible — the pro’s choice for lasting yet serviceable bonds!

## Quick Answers

- **What is this?** 243 Blue 50ml | Medium-strength Threadlocker (M6-M20) | Prevention of loosening | Secure bonding for machinery, engine & vehicles | Thixotropic | High temperature performance | Oil tolerance by loctite
- **How much does it cost?** $30.45 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.ec](https://www.desertcart.ec/products/64648192-243-blue-50ml-medium-strength-threadlocker-m6-m20-prevention-loosening)

## Best For

- loctite enthusiasts

## Why This Product

- Trusted loctite brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Versatile Fit:** Designed for M6 to M20 nuts and bolts, covering a wide range of industrial and automotive applications.
- • **Fast-Acting Security:** Locks threads in just 10 minutes, so your projects move faster without compromise.
- • **Oil-Tolerant Formula:** Maintains strength even on oily or contaminated metal surfaces—no prep stress needed.
- • **Heat-Resistant Bonding:** Performs reliably under high temperatures, perfect for engines and heavy machinery.
- • **Medium-Strength Flexibility:** Secure yet removable with standard hand tools, ideal for maintenance and repairs.

## Overview

LOCTITE 243 Blue is a medium-strength threadlocker designed for M6 to M20 fasteners, offering fast curing in 10 minutes and full strength in 24 hours. Its thixotropic, oil-tolerant formula withstands high temperatures and prevents loosening, leaks, and rust, while still allowing easy disassembly with hand tools. Trusted for machinery, engines, and vehicles, it’s the go-to adhesive for professionals demanding reliable, serviceable bonds.

## Description

LOCTITE 243 Blue 50ml | Medium-strength Threadlocker (M6-M20) | Prevention of loosening | Secure bonding for machinery, engine & vehicles | Thixotropic | High temperature performance | Oil tolerance : desertcart.in: Industrial & Scientific

## Features

- Metal parts are removable with hand tools for easy disassembly
- Sets in 10 minutes; cures in 24 hours
- Prevents leaks and rusting of threads for 1/4-inch to 3/4-inch (6mm to 20mm) nuts and bolts
- Useful for small motors, mowers, and power equipment
- Very effective

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B014MMG3AM |
| Are batteries included? | No |
| Best Sellers Rank | #1,344 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #42 in Universal Adhesives |
| Brand | Loctite |
| Colour | Blue - Threadlockers |
| Country of Origin | India |
| Customer Reviews | 4.3 4.3 out of 5 stars (403) |
| Date First Available | 29 August 2015 |
| Generic Name | High Strength Heavy Duty Threadlocker, Pack Size: 50 Ml |
| Importer | Henkel Adhesives Technologies India Private Limited Plot No. D4/1, Kurkumbh Daundh MIDC Pune - 413 802 Maharashtra, India |
| Included Components | Works on all metals, including passive substrates |
| Item Dimensions LxWxH | 10 x 10 x 15 Centimeters |
| Item Height | 15 Centimeters |
| Item Weight | 18.1 g |
| Item Width | 10 Centimeters |
| Item model number | Loc_243 |
| Manufacturer | Henkel Adhesives Technologies India Pvt Lid. D3/D4 Industrial Estate, Maharstra 412303, Loctite |
| Model number | Loc_243 |
| Net Quantity | 50 Milliliters |
| Number of Memory Sticks | 1 |
| Packer | Henkel Adhesives Technologies India Private Limited Plot No. D4/1, Kurkumbh Daundh MIDC Pune - 413 802 Maharashtra, India |
| Product Dimensions | 10 x 10 x 15 cm; 18.1 g |
| Special Feature | removable |
| Specific Product Use | Machinery, Equipment, Threaded Fasteners |

## Product Details

- **Brand:** Loctite
- **Specific Uses For Product:** Machinery, Equipment, Threaded Fasteners
- **Material:** metal
- **Compatible Material:** Metal
- **Item Form:** Liquid

## Images

![243 Blue 50ml | Medium-strength Threadlocker (M6-M20) | Prevention of loosening | Secure bonding for machinery, engine & vehicles | Thixotropic | High temperature performance | Oil tolerance - Image 1](https://m.media-amazon.com/images/I/71cJfYEYyAL.jpg)

## Questions & Answers

**Q: What is the expiry date?**
A: 18 Months

**Q: can it use in high temperature? i need a adhesive which can be use to paste cu wire in glass plate. please recommend which will b e best.**
A: No this can not be used  for glass plate, you need a product which will cure in UV rays or you can use a transperant adhesive which can with stand upto 180 to 200 deg

**Q: Shall i get "Certificate Of Conformance" document with this delivery?**
A: No. Its a junk product. Don't waste your money on it.

**Q: Can it fix broken Aluminium square shape rod?**
A: No

## Frequently Bought Together

- Loctite 243 High Strength 50 Ml Heavy Duty Threadlocker, Pack of 1
- Loctite Threadlocker Blue 242 locks and seals threaded fasteners and prevent loosening from vibration, ideal for 6-19mm fasteners, great for small motors, mowers, equipment, nuts, bolts, screws, 6 ml

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**Shop now:** [https://www.desertcart.ec/products/64648192-243-blue-50ml-medium-strength-threadlocker-m6-m20-prevention-loosening](https://www.desertcart.ec/products/64648192-243-blue-50ml-medium-strength-threadlocker-m6-m20-prevention-loosening)

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*Product available on Desertcart Ecuador*
*Store origin: EC*
*Last updated: 2026-09-05*